UV Index in Bacnotan, Philippines

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors in Bacnotan, Philippines, where the tropical climate can expose you to high levels of ultraviolet radiation, particularly between late morning and early afternoon. Awareness of UV levels helps prevent sunburn and protects your skin health, making it critical to check local UV forecasts. With midday indices soaring as high as 14, Bacnotan experiences considerable UV exposure risks that can lead to skin damage. Stay informed and take necessary precautions to enjoy the beautiful sunlight safely!

Hourly UV Index in Bacnotan

At sunrise, the UV Index begins its ascent, with a modest 2 at 7:00 AM. As the sun rises higher, it climbs steadily, peaking at a staggering 14 by 12:00 PM, marking the day’s most intense UV exposure. The sun's zenith brings 11 at 10:00 AM and reaches its peak intensity of 13 at 11:00 AM. After noon, the UV levels start to decrease; they dip to 10 by 2:00 PM and continue to fall to 6 at 3:00 PM. By evening, the intensity wanes, with levels reducing to 1 by 5:00 PM and fading to 0 by 7:00 PM. Remember, during peak hours, it’s crucial to protect your skin from harmful UV rays! 🌞

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Bacnotan

The UV Index experiences a peak from March to October, remaining in the extreme category with values consistently at or above 13. Notably, the months of April and May record the highest UV Index at 15 and 13, respectively, indicating significant risk for skin damage. Residents and visitors should be especially cautious from March through October, as the burn time remains short at just 10 minutes during these months. In December, the UV Index drops slightly to 10, transitioning to the very high category, allowing for a slightly longer burn time of 15 minutes. To protect your skin, it is essential to wear sunscreen, seek shade, and wear protective clothing during these high-risk periods.

Monthly Maximum UV Index for Bacnotan, Philippines

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Bacnotan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Bacnotan, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Bacnotan UV Index with Other Philippines Cities

The table above highlights how UV exposure in Bacnotan compares to other major locations across Philippines. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Bacnotan's solar exposure compared to other cities in Philippines. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Caloocan City UVI	11	13	15	15	13	14	13	14	14	13	10	10
Quezon City UVI	11	13	15	15	13	14	13	14	14	13	10	10
Manila UVI	11	13	14	14	13	13	13	14	14	13	10	10
Bacnotan	11	13	14	15	13	14	14	14	14	13	11	10
Budta UVI	13	15	16	16	14	13	14	14	15	14	13	11
Davao UVI	13	15	16	15	15	13	14	14	15	14	13	11